A checklist of the lignocellulolytic Agaricomycetes from the Brazilian semi-arid region is provided. It presents data on the distribution of 37 species, 10 families and six orders (Agaricales, Auriculariales, Gloeophyllales, Hymenochaetales, Polyporales,
and Russulales). Twenty-eight taxa previously recorded from the studied region are excluded. The full checklist is available at www.mycotaxon.com/resources/weblists.html.